North Carolina. Dept. of Agriculture & North Carolina Agricultural Experiment Station. (1897). The Bulletin of the Agricultural Experiment Station of North Carolina. North Carolina Dept. of Agriculture.
Lua i Stíl Chicago (17ú heag.)North Carolina. Dept. of Agriculture agus North Carolina Agricultural Experiment Station. The Bulletin of the Agricultural Experiment Station of North Carolina. Raleigh, N.C.: North Carolina Dept. of Agriculture, 1897.
Lua MLA (8ú heag.)North Carolina. Dept. of Agriculture agus North Carolina Agricultural Experiment Station. The Bulletin of the Agricultural Experiment Station of North Carolina. North Carolina Dept. of Agriculture, 1897.
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